Dunkin Donuts is offering a free doughnut with any beverage purchase on Friday at locations nationwide, the doughnut chain said in a news release. Buy a dozen doughnuts at Krispy Kreme on Friday and score a dozen glazed for $2 at participating locations.

Whether you spell it "doughnut" or "donut," you can enjoy a free treat at various stores on Friday in celebration of National Doughnut Day.

All guests this Friday can receive a dozen Original Glazed doughnuts for just $2 with the purchase of any dozen at regular price in shop and via drive-thru at participating Krispy Kreme shops. Also on Friday, guests can receive any doughnut of choice for free – no purchase necessary.